3769-5-45
Scratches must be approved.

(A)
Every horse entered and drawn for a race must be a starter
unless it is scratched or ordered withdrawn, for reason, by the stewards and/or
on the advice of the track veterinarian.

(B)
Approved reasons for scratches include, but are not limited
to, lameness or sickness of horse; unmanageability of horse; ineligibility of
horse; and other situations approved by the stewards.

(C)
Trainers and/or owners who fail to start a horse, which has
been entered and drawn into a race and which has not been scratched for an
approved reason, may be penalized under rule
3769-5-99 of the Administrative
Code by the stewards and/or the commission.